DP IB SL Chemistry Quiz – Models of Bonding & Structure - Exam Papers Practice For GCSE, IGCSE, AS, A Level and IB

SL - Models of Bonding & Structure

25 MCQ from 2025 Question Bank Models of Bonding & Structure (all topics)

DP IB SL Chemistry Quiz

1 / 25

1. Which characteristic best corresponds to, or indicates, the strength of metallic bonding?

A. Electron affinity

B. Electronegativity

C. Ionic radius

D. Melting Point

2 / 25

2. Which of the following has covalent bonding?

I.

II.

III.


I.
II.
III.

A. III only

B. I and II only

C. I and III only

D. I, II and III

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3. Which of the following substances is the most soluble in water, with the correct reason given?

	Substance	Reason
A.		The bonds are very polar
B.		The molecule has a permanent dipole
C.		It can form hydrogen bonds with itself
D.		It can form hydrogen bonds with water molecules

A. A

B. B

C. C

D. D

4 / 25

4. Which of the following is NOT true of metals?

A. Metals tend to have higher ionization energies than nonmetals across the same period

B. Metals have a small number of electrons in their valence energy level

C. Metals are found on the left side of the periodic table

D. Metals tend to form cations in ionic bonding

5 / 25

5. Metallic bonding is best characterized by the following statement:

A. Valence electrons of a metallic element are shared between the adjacent positive ions

B. Valence electrons of a metallic element are lost by the nuclei to become ions

C. Valence electrons of a metallic element are localized, remaining closely associated with a positive lattice of ions

D. Valence electrons of a metallic element are delocalized and held loosely by a positive lattice of ions

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6. Which of the following polyatomic ions formulas is incorrect?

A. NO3 −

B. OH-

C. SO 4 2 −

D. CO 4 2−

7 / 25

7. Which of the following polyatomic ions formulas is incorrect?

A. NO3 −

B. OH-

C. SO 4 2 −

D. CO 4 2−

8 / 25

8. Which is a correct description of the bonding present in the following allotropes of carbon?

	Graphene	Diamond	Graphite
A.	3-dimensional material with bond angles of 109.5 $°$	2-dimensional material with bond angles of 120 $°$	Hexagonal layers with bond angles of 120 $°$
B.	Hexagonal layers with bond angles of 120 $°$	3-dimensional material with bond angles of 109.5	2-dimensional material with bond angles of 120
C.	2-dimensional material with bond angles of 120 $°$	3-dimensional material with bond angles of 109.5 $°$	Hexagonal layers with bond angles of 120 $°$
D.	2-dimensional material with bond angles of 120 $°$	Hexagonal layers with bond angles of 120 $°$	3-dimensional material with bond angles of 109.5 $°$

A. A

B. B

C. C

D. D

9 / 25

9. Which statement correctly explains why the boiling point of 2-methylpentane is lower than that of hexane?

4.4-271

A. 2-methylpentane has fewer electrons than hexane

B. 2-methylpentane has a smaller Mr than hexane

C. 2-methylpentane has more branching than hexane

D. 2-methylpentane has lower electron density than hexane

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10. Which of the following polyatomic ions formulas is incorrect?

A. NO3^−

B. OH^-

C. SO4 ^2−

D. CO4 ^2−

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11. In which instance is ionic bonding most likely to occur?

A. When two metals are chemically combined

B. When a non-metal in group 17 reacts with a non-metal from a different group

C. When a metal and a non-metal react with one another

D. When a noble gas reacts with the most reactive element in group 1

12 / 25

12. Which statements are correct about lattice enthalpies?


I.	Salts with smaller lattice enthalpies have higher melting points
II.	The lattice enthalpy depends on the charge of the constituent ions
III.	The lattice enthalpy depends on the size of the constituent ions

A. I and II only

B. I and III only

C. II and III only

13 / 25

13. Which compounds have an ionic lattice in the solid state?

I. Ammonium sulfate
II. Hydrogen chloride
III. Sodium carbonate

A. I and II only

B. I and III only

C. II and III only

D. I, II and III

14 / 25

14. Which is $NOT$ a characteristic property of metals resulting from metallic bonding?

A. Good thermal conductivity

B. Low melting points

C. Malleability

D. Good electrical conductivity

15 / 25

15. Which of the following has covalent bonding?

I. CCl4
II. Ca3N2
III. NH3

A. III only

B. I and II only

C. I and III only

D. I, II and III

16 / 25

16. Which of the following has covalent bonding?

I. $CCl X_{4}$

II. $Ca X_{3} N X_{2}$

III. $NH X_{3}$


I.	$CCl X_{4}$
II.	$Ca X_{3} N X_{2}$
III.	$NH X_{3}$

A. III only

B. I and II only

C. I and III only

D. I, II and III

17 / 25

17. Which statements regarding alloys are correct?

I. Alloys are a solid solution held together with metallic bonds
II. Because the lattice contains differing-size ions, the metallic bonds are weaker
III. Alloys can have different chemical properties than their component elements

A. I, II, and III

B. I and II only

C. II and III only

D. I and III only

18 / 25

18. Which of the following polyatomic ions formulas is incorrect?

A. NO3 −

B. OH-

C. SO 4 2 −

D. CO 4 2−

19 / 25

19. Sodium fluoride contains ionic bonding. Which statement correctly describes ionic bonding?

A. The electrostatic attraction between positive ions, arranged in a lattice, and delocalized electrons

B. A force of attraction that operates between molecules in a lattice

C. The electrostatic attraction between oppositely charged ions

D. The electrostatic attraction between a shared pair of electrons and positively charged nuclei

20 / 25

20. Which bond is more polar?

A. C−C

B. C−N

C. C−F

D. C−Br

21 / 25

21. Which of the following statements regarding silicon dioxide, SiO $_{2}$ , are correct?

I. The structure is described as a giant covalent structure with a tetrahedral arrangement
II. The structure is insoluble in water and has a high melting point
III. The structure has a pair of nonbonding electrons present on the silicon atoms

A. I, and II only

B. I and III only

C. II and III only

D. I only

22 / 25

22. The reaction of solid magnesium with gaseous oxygen is shown.

Which of the following correctly describes the process of MgO(s) formation?

A. Magnesium atoms lose electrons to produce magnesium cations

B. Magnesium atoms lose electrons to produce magnesium anions

C. Magnesium atoms gain electrons to produce magnesium cations

D. Magnesium atoms gain electrons to produce magnesium anions

23 / 25

23.

4.3-0338

The bond angles surrounding atoms 1, 2, and 3 are:

23.

Atom 1 Atom 2 Atom 3

A. 90 $°$ 120 $°$ 120 $°$

B. 109.5 $°$ 120 $°$ 109.5 $°$

C. 107 $°$ 120 $°$ 109.5 $°$

D. 109.5 $°$ 120 $°$ 107 $°$

	Atom 1	Atom 2	Atom 3
A.	90 $°$	120 $°$	120 $°$
B.	109.5 $°$	120 $°$	109.5 $°$
C.	107 $°$	120 $°$	109.5 $°$
D.	109.5 $°$	120 $°$	107 $°$

A. A

B. B

C. C

D. D

24 / 25

24. Which of the following statements regarding the Lewis structure of BF is correct?

I. The structure contains a net dipole moment
II. The structure would have bond angles of 120 $°$ with one double bond
III. The structure is considered to be electron deficient

A. I, II, and III

B. I and II only

C. II only

D. III only

25 / 25

25. The Lewis structure of is given below. Which type(s) of electrons does it show?

4.2-0287

I. Non-Bonding Electrons
II. Bonding Electrons
III. Innermost electrons

A. I and II only

B. I, II, and III

C. I only

D. II only

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